微信小程序支付功能(前端)的实现只提供微信小程序端代码:varapp=getApp();Page({data:{},onLoad
微信小程序 支付功能(前端)的实现
只提供微信小程序端代码:
var app = getApp();
Page({
data: {},
onLoad: function (options) {
// 页面初始化 options为页面跳转所带来的参数
var that = this
//登陆获取code
wx.login({
success: function (res) {
console.log(res.code)
//获取openid
that.getOpenId(res.code)
}
});
},
getOpenId: function (code) {
var that = this;
wx.request({
url: "https://api.weixin.qq.com/sns/jscode2session?appid=小程序appid&secret=小程序应用密钥&js_code=" + code + "&grant_type=authorization_code",
data: {},
method: 'GET',
success: function (res) {
that.generateOrder(res.data.openid)
},
fail: function () {
// fail
},
complete: function () {
// complete
}
})
},
/**生成商户订单 */
generateOrder: function (openid) {
var that = this
//统一支付
wx.request({
url: '后台路径',
method: 'GET',
data: {
gfee: '商品价钱',
gname: '商品名称',
openId:openid
(商品价钱和商品名称根据自身需要是否传值,openid为必传)
},
success: function (res) {
var pay = res.data
//发起支付
var timeStamp = pay[0].timeStamp;
var packages = pay[0].package;
var paySign = pay[0].paySign;
var nonceStr = pay[0].nonceStr;
var param = { "timeStamp": timeStamp, "package": packages, "paySign": paySign, "signType": "MD5", "nonceStr": nonceStr };
that.pay(param)
},
})
},
/* 支付 */
pay: function (param) {
console.log("支付")
console.log(param)
wx.requestPayment({
timeStamp: param.timeStamp,
nonceStr: param.nonceStr,
package: param.package,
signType: param.signType,
paySign: param.paySign,
success: function (res) {
// success
wx.navigateBack({
delta: 1, // 回退前 delta(默认为1) 页面
success: function (res) {
wx.showToast({
title: '支付成功',
icon: 'success',
duration: 2000
})
},
fail: function () {
// fail
},
complete: function () {
// complete
}
})
},
fail: function (res) {
// fail
},
complete: function () {
// complete
}
})
}
})
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微信小程序 支付 小程序 支付功能